CN207551819U - A kind of sea oil pipe molding machine gantry synchronous hydraulic lifting body - Google Patents
A kind of sea oil pipe molding machine gantry synchronous hydraulic lifting body Download PDFInfo
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- CN207551819U CN207551819U CN201721587855.4U CN201721587855U CN207551819U CN 207551819 U CN207551819 U CN 207551819U CN 201721587855 U CN201721587855 U CN 201721587855U CN 207551819 U CN207551819 U CN 207551819U
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- hydraulic
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- drive motor
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Abstract
The utility model is related to a kind of extra large oil pipe molding machine gantry synchronous hydraulic lifting bodies, including pump hydraulic station and two structures it is identical, synchronous operation straight-line displacement lifting body, straight-line displacement lifting body includes secondary workbench, servo drive motor, screw-nut, fork hydraulic lifting platform and support tube body V-type tooling, guide rail and servo drive motor are separately installed on workbench, fork hydraulic lifting platform is connected by screw-nut pair with servo drive motor, and be slidably connected by sliding block and the guide rail, it is moved back and forth by servo drive motor drives edge guide rail；Hydraulic cylinder on fork hydraulic lifting platform is connected by fluid pressure line with pump hydraulic station, by the pump hydraulic stand control hydraulic cylinder works, and then realizes the lifting of fork hydraulic lifting platform, and support tube body V-type tooling is equipped on fork hydraulic lifting platform.The utility model can realize the carrying action of unmanned, automatic mandrel handling.
Description
Technical field
The utility model is related to the component part of extra large oil pipe molding machine, specifically a kind of extra large oil pipe molding machine gantry is same
Stepped hydraulic lifting body.
Background technology
In terms of the special equipment that marine petroleum exploitation uses, Large marine petroleum pipeline is indispensable important mating
Product.Offshore oil delivery pipeline is chiefly used in ship and ship-to-shore oil-gas transportation, since its flexibility is larger, is primarily subjected to along length of pipeline direction
Pulling force, pipeline has a stiffener that multilayer strengthens nylon cord and single spiral winding, structure type and manufacturing process compared with
For complexity.For the production equipment and process of the production, both at home and abroad existing relative maturity of this extra large oil pipe；But all in by hand or
Semi-automatic state, automation, intelligent level are in urgent need to be improved.
For the existing manufacture mode of production to there is a core type winding method, principle is the hollow core shaft table in about 14 meters or so of a root long
Face carries out the winding repeatedly of multiple material.But since mandrel is long, the poor, heavier-weight of rigidity, to ensure winding mass, in core
In the initial setup process of axis, there is certain requirement to its mounting means and installation accuracy.Use demand based on actual production,
Need to design a kind of mechanism, mandrel installation accuracy can be improved and reduce hand labor intensity, and improve the safety of operation with it is steady
It is qualitative.
Utility model content
In order to meet the requirement installed to mandrel, the purpose of this utility model is to provide a kind of extra large oil pipe molding machines
Gantry synchronous hydraulic lifting body.It is moved, improved with synchronous gantry by the synchronous hydraulic jacking of the synchronous hydraulic lifting body
The stability of mandrel installation process, installation accuracy, safety, meanwhile, reduce artificial labor intensity and artificial use cost.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes the straight-line displacement lifting body that pump hydraulic station and two structures are identical, run simultaneously,
Cathetus displacement lifting body includes secondary workbench, servo drive motor, screw-nut, fork hydraulic lifting platform and support tube
Body V-type tooling is separately installed with guide rail and servo drive motor on the workbench, and the fork hydraulic lifting platform passes through leading screw
Screw pair is connected with servo drive motor, and is slidably connected by sliding block and the guide rail, is driven by the servo drive motor
It is moved back and forth along guide rail；Hydraulic cylinder on the fork hydraulic lifting platform is connected by fluid pressure line with pump hydraulic station, by
The pump hydraulic stand control hydraulic cylinder works, and then realize the lifting of the fork hydraulic lifting platform, in the scissor-type liquid
Support tube body V-type tooling is installed on pressure lifting platform；
Wherein：The pump hydraulic station is set there are two pumping, and each pump passes through fluid pressure line and a fork hydraulic
Two hydraulic cylinders on lifting platform are connected；Check valve and proportional reversing valve are respectively equipped on the fluid pressure line, and in lifting
Oil return line is equipped with the electromagnetic lock of the fork hydraulic lifting platform described in automatic locking when powering off generation；
It is all provided in each straight-line displacement lifting body there are two the stay wire displacement sensor for being used for linear displacement detecting,
One of stay wire displacement sensor is mounted on the end of guide rail, another stay wire displacement sensor is mounted on the scissor-type liquid
It presses on lifting platform；
Encoder is installed on the servo drive motor；
Servo drive motor synchronous working in two straight-line displacement lifting bodies, respectively drives respective scissor-type
Hydraulic elevator platform is along guide rail synchronizing moving；Fork hydraulic lifting platform in two straight-line displacement lifting bodies passes through respective
Driven by Hydraulic Cylinder synchronization lifting.
The advantages of the utility model is with good effect：
1. the utility model realizes shape for self-centering dropping place after the mandrel lifting of cylinder by V-type tooling.
2. the hydraulic synchronization lifting platform of the proportional reversing valve control of the utility model is, it can be achieved that high low-speed stable synchronizes fortune
Row.And it can realize single platform jacking strength 6 tons maximum.
3. the utility model planer-type servo synchronization structure and control mode, under the conditions of realizing 14 meters of span, first and last end
With the main shaft depth of parallelism within 1 millimeter.
It is docked 4. the utility model can be mandrel with main shaft, stable action basis is provided.
5. the utility model reduces manual operation difficulty and labor intensity.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the structural front view of the utility model straight-line displacement lifting body；
Fig. 3 is the structural side view of the utility model fork hydraulic lifting platform；
Fig. 4 is the structure top view of the utility model straight-line displacement lifting body；
Fig. 5 is the hydraulic principle figure of the utility model；
Wherein：1 is fork hydraulic lifting platform, and 2 be pump hydraulic station, and 3 be hydraulic cylinder, and 4 be stay wire displacement sensor, 5
It is guide rail for servo drive motor, 6,7 be screw-nut pair, and 8 be support tube body V-type tooling, and 9 be proportional reversing valve, and 10 be single
To valve, 11 be overflow valve, and 12 be electromagnetic lock, and 13 be encoder, and 14 be workbench, and 15 be sliding block, and 16 be pump.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Fig. 1~5, the utility model includes the straight line position that pump hydraulic station 2 and two structures are identical, run simultaneously
Lifting body is moved, wherein straight-line displacement lifting body includes workbench 14, servo drive motor 5, screw-nut pair 7, scissor-type
Hydraulic elevator platform 1 and support tube body V-type tooling 8 are separately installed with guide rail 6 and servo drive motor 5, guide rail 6 on workbench 14
For two, be arranged in parallel, 7 be connected among fork hydraulic lifting platform 1 by screw-nut pair with servo drive motor 5, and a left side
Right both ends are slidably connected by sliding block 15 and guide rail 6, are moved back and forth by 5 drives edge guide rail 6 of servo drive motor.It is driven in servo
Encoder 13 is installed on dynamic motor 5.Support tube body V-type there are two being fixedly mounted in the upper surface of fork hydraulic lifting platform 1
Tooling 8 realizes that mandrel lifts self-centering dropping place.For linear displacement detecting there are two being all provided in each straight-line displacement lifting body
Stay wire displacement sensor 4, one of stay wire displacement sensor 4 be mounted on guide rail) end, another bracing wire displacement sensing
Device 4 is mounted on fork hydraulic lifting platform 1.
Encoder 13, servo drive motor 5 and stay wire displacement sensor 4 are connected with synchronous control system, this practicality is new
The synchronous control system of type is the prior art, carries out the acquisition and output of number and analog signal, passes through synchronous control system
It controls, the servo drive motor 5 in two straight-line displacement lifting bodies works asynchronously, and respectively drives respective fork hydraulic liter
Platform 1 is dropped along 6 synchronizing moving of guide rail.Synchronous control system acquires and the control information number of stay wire displacement sensor 4, encoder 13
Signal.The signal of stay wire displacement sensor 4 is inputted for 14 precision analog capture cards, and encoder 13 uses DRIVE-Cliq
Bus is communicated, and is supplied to motion-control module；Proportioning valve is controlled using principal and subordinate's PID mode, two Lifting benches is pushed to synchronize
Lifting；Servo drive motor 5 is controlled to drive screw-nut pair 7 using DRIVE-Cliq buses, gantry axis mode, drive scissor-type
Front and rear realize of hydraulic elevator platform 1 successively moves.Fork hydraulic lifting platform 1 in two straight-line displacement lifting bodies is by respective
Driven by Hydraulic Cylinder synchronization lifting.
Hydraulic cylinder 3 on fork hydraulic lifting platform 1 is connected by fluid pressure line with pump hydraulic station 2, by the double pump liquid
2 control hydraulic cylinder 3 of pressure station works, and then realize the lifting of fork hydraulic lifting platform 1.Pump hydraulic station 2 is set there are two pump 16,
Each pump 16 is connected by fluid pressure line with two hydraulic cylinders 3 on a fork hydraulic lifting platform 1；On fluid pressure line respectively
Equipped with check valve 10 and proportional reversing valve 9, and the automatic locking scissor-type when power-off occurs is being equipped on the oil return line of lifting
The electromagnetic lock 12 of hydraulic elevator platform 1.Proportional reversing valve 9 is by synchronous control system control aperture, lifting speed.Check valve 10 with
Overflow valve 11 is additionally provided on fluid pressure line between proportional reversing valve 9.
The altitude range of the fork hydraulic lifting platform 1 of the utility model at 600 millimeters~1600 millimeters, adopt by adjustable height
With the stay-supported type displacement sensor 4 being separately mounted between mobile terminal (on fork hydraulic lifting platform) and fixing end (on guide rail)
Carry out position detection.4 output signal of stay-supported type displacement sensor is 4~20mA, and detection effective distance is 0~1500MM.Scissor
Maximum 3 meter per second square of acceleration of motion of formula hydraulic elevator platform 1.It converts and post-processes by synchronous control system signal, check bit
It moves precision and can reach 0.1 millimeter.
The diameter range of mandrel is 150 millimeters~1400 millimeters.According to calculating, the V-type expansion of support tube body V-type tooling 8
The both sides tangential length at angle disclosure satisfy that the diameter change requirement of plunger tip axis.Support tube body V-type tooling 8 uses the wall thickness of material
For 5 millimeters of thick steel products, meet intensity requirement, and meet the objective of light-weight design.
The hydraulic lifting high level of synchronization of the utility model is formed using hydraulic proportional reversal valve 9 with stay wire displacement sensor 4
Closed-loop fashion, and using master-slave mode pid algorithm, realize lifting process any time Position And Velocity synchronize.Made
Hydraulic Main is from PID control method, principle：The object height that drive end is given by synchronous control system passes through ratio
Example reversal valve 9 controls its motion process and positioning accuracy with bracing wire linear displacement transducer 4.Synchronous control system is calculated by PID
Method compares Setting signal and Displacement Feedback signal, realizes location control；And the Real-time that the Setting signal of driven end is drive end
Border position, and the position signal of drive end is compared with the signal of driven end by control by pid algorithm by synchronous control system
System realizes the hydraulic synchronization control of two fork hydraulic lifting platforms 1.
The utility model is in fluid pressure line design aspect, using double pump fuel system, it is ensured that during jacking, avoids because appointing
Meaning one go wrong, caused by adynamia.Meanwhile on the oil return line of lifting, designed using electromagnetic lock 9.When going out
Existing accident power-off, jacking action meeting automatic locking, prevents unexpected fall.Through actual test, the electromagnetic lock 9 is negative in 10 tons of jacking
It carries, and when 1000 millimeters high, the locking delay falling head after accident power-off is about 1 millimeter.
The utility model moves forward and backward in level and employs two sets of servo-drives with servo motor leading screw is driven to rotate, by
The bottom of screw connection fork hydraulic lifting platform 1, realizes linear motion.Meanwhile realizing two fork hydraulic lifting platforms 1
Synchronization aspects using motion-control module by DRIVE-Cliq bus marco servo-drives, and use gantry axis mode, realize
The synchronization of two 1 tandem of fork hydraulic lifting platform movements of control.By test, two fork hydraulic lifting platforms 1 are most
Big synchronous movement velocity is 3 ms/min, and a 1 largest motion synchronous error of fork hydraulic lifting platform is at 0.1 millimeter two-by-two.
Claims (5)
1. a kind of sea oil pipe molding machine gantry synchronous hydraulic lifting body, it is characterised in that：Including pump hydraulic station (2) and two
Structure is identical, the straight-line displacement lifting body of synchronous operation, and wherein straight-line displacement lifting body includes workbench (14), servo is driven
Dynamic motor (5), screw-nut secondary (7), fork hydraulic lifting platform (1) and support tube body V-type tooling (8), the workbench (14)
On be separately installed with guide rail (6) and servo drive motor (5), it is secondary (7) that the fork hydraulic lifting platform (1) passes through screw-nut
It is connected with servo drive motor (5), and is slidably connected by sliding block (15) and the guide rail (6), by the servo drive motor
(5) drives edge guide rail (6) moves back and forth；Hydraulic cylinder (3) on the fork hydraulic lifting platform (1) by fluid pressure line with it is double
Pump hydraulic station (2) is connected, and is worked by the pump hydraulic station (2) control hydraulic cylinder (3), and then realizes the fork hydraulic lifting
The lifting of platform (1) is equipped with support tube body V-type tooling (8) on the fork hydraulic lifting platform (1).
2. sea oil pipe molding machine gantry according to claim 1 synchronous hydraulic lifting body, it is characterised in that：The double pump
Hydraulic station (2) is set there are two pump (16), and each pump (16) pass through on fluid pressure line and a fork hydraulic lifting platform (1)
Two hydraulic cylinders (3) be connected；Check valve (10) and proportional reversing valve (9) are respectively equipped on the fluid pressure line, and is being lifted
Oil return line be equipped with power off occur when fork hydraulic lifting platform (1) described in automatic locking electromagnetic lock (12).
3. sea oil pipe molding machine gantry according to claim 1 synchronous hydraulic lifting body, it is characterised in that：It is each described
The stay wire displacement sensor (4) of linear displacement detecting, one of bracing wire are used for there are two being all provided in straight-line displacement lifting body
Displacement sensor (4) is mounted on the end of guide rail (6), another stay wire displacement sensor (4) is mounted on the fork hydraulic
On lifting platform (1).
4. sea oil pipe molding machine gantry according to claim 1 synchronous hydraulic lifting body, it is characterised in that：The servo
Encoder (13) is installed on driving motor (5).
5. sea oil pipe molding machine gantry according to claim 1 synchronous hydraulic lifting body, it is characterised in that：Described in two
Servo drive motor (5) synchronous working in straight-line displacement lifting body, respectively drives respective fork hydraulic lifting platform (1)
Along guide rail (6) synchronizing moving；Fork hydraulic lifting platform (1) in two straight-line displacement lifting bodies passes through respective liquid
Cylinder pressure drives synchronization lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587855.4U CN207551819U (en) | 2017-11-24 | 2017-11-24 | A kind of sea oil pipe molding machine gantry synchronous hydraulic lifting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587855.4U CN207551819U (en) | 2017-11-24 | 2017-11-24 | A kind of sea oil pipe molding machine gantry synchronous hydraulic lifting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207551819U true CN207551819U (en) | 2018-06-29 |
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ID=62679906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721587855.4U Active CN207551819U (en) | 2017-11-24 | 2017-11-24 | A kind of sea oil pipe molding machine gantry synchronous hydraulic lifting body |
Country Status (1)
| Country | Link |
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| CN (1) | CN207551819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052217A (en) * | 2018-08-17 | 2018-12-21 | 北京索英电气技术有限公司 | A kind of automation lifting device |
| CN110862046A (en) * | 2019-11-17 | 2020-03-06 | 徐州铭博矿山科技有限公司 | Hydraulic hoisting equipment of mining machinery |
| CN113146521A (en) * | 2021-05-08 | 2021-07-23 | 山东大学 | Accurate positioning automatic pipe penetrating machine for shell-and-tube heat exchanger and application method thereof |
-
2017
- 2017-11-24 CN CN201721587855.4U patent/CN207551819U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052217A (en) * | 2018-08-17 | 2018-12-21 | 北京索英电气技术有限公司 | A kind of automation lifting device |
| CN110862046A (en) * | 2019-11-17 | 2020-03-06 | 徐州铭博矿山科技有限公司 | Hydraulic hoisting equipment of mining machinery |
| CN113146521A (en) * | 2021-05-08 | 2021-07-23 | 山东大学 | Accurate positioning automatic pipe penetrating machine for shell-and-tube heat exchanger and application method thereof |
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